The annual precipitation for one city is normally distributed with a mean of 38.4 inches and a standard deviation of 2.7 inches. What percentage of years had precipitation between 30.3 inches and 46.5 inches?

41/17 as a decimal rounded to the nearest hundredth

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Write a function rule for the table